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V40 CVM (closed velocity module) replacementViews : 3241 Replies : 1Users Viewing This Thread : |
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Jan 22nd, 2022, 14:06 | #1 |
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Last Online: Jan 22nd, 2022 14:06
Join Date: Jan 2022
Location: Wrexham
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V40 CVM (closed velocity module) replacement
My Volvo v40 1.6d has had ‘urgent SRS service warning light on’. Our usual non Volvo mechanic suggested further diagnostics and we took to dealer who has diagnosed as ‘SRS system service message on DIM. Read off DTC’s. DTC’s for CVM not communicating with SRS, check CVM, connections and supply all ok. Voltages ok. Carry out CVM reload S/w fault remains. Requires replacement CVM.
Price to fix was over £600 for new part and labour which I will struggle to afford at the moment and so I’ve brought car home for now to explore if the unit can be reconditioned / I can buy a used part and get it fitted by our mechanic. Anyone had this before? A search of the forum didn’t yield any results. Any advice gratefully received. Fault codes below in case it helps Thank you for reading BCM-U01500 lost commas with restraint control module -DTC IS FOUND NOT ACTIVE CEM-B103C1C right headlight control general electrical failures - circuit voltage out of range DTC IS FOUND NOT ACTIVE CEM-B103C1C LEFT headlight control general electrical failures - circuit voltage out of range DTC IS FOUND NOT ACTIVE CVM-U002800 vehicle comma bus A - DTC IS FOUND NOT ACTIVE CVM-U03004A internal control module software incompatibility system internal failures - incorrect component installed DTC IS FOUND NOT ACTIVE CVM-U041568 invalid data received from brake control module algorithm based failures - event information DTC IS FOUND NOT ACTIVE ECM-U016700 Lost comes with vehicle immobiliser control module - DTC IS FOUND NOT ACTIVE PSCM-U041568 invalid data received from anti lock brake system control module - algorithm based failures event information DTC IS FOUND NOT ACTIVE SRS-U002888 - vehicle communication bus A bus signal / message failures - bus off DTC IS FOUND NOT ACTIVE SRS-u023500 lost communication with closing velocity module DTC IS FOUND NOT ACTIVE SRS-U100456 software incompatibility with closing velocity module - system programming failures - invalid / incompatible configuration DTC IS FOUND NOT ACTIVE |
Jan 22nd, 2022, 14:34 | #2 | |
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Last Online: Yesterday 23:58
Join Date: Jun 2007
Location: L/H side
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I would stick with him for a fix , because if he was wrong then they will have to bear the cost ... You don't want to start again and pay someone else who is not familiar with the systems which are quite complex these days ,The unit requires calibrating when fitted and a software download which only the dealer can do anyway.. In my many years of experience trying to get a cheap fix generally costs a great deal more than the dealer in the long run . This CVM failing not a common problem at all , I have not heard of one failing before . Has this problem just happened when you were driving around or did you buy the car with this fault?
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